Re: [Qemu-discuss] Qemu: AARCH64: Single Step exception does not work

2015-01-08 Thread Pratyush Anand
On Thursday 08 January 2015 10:05 PM, Peter Maydell wrote: On 8 January 2015 at 05:32, Pratyush Anand wrote: Have anyone tried to test single step exception with ARM64 on Qemu? My Qemu version is: QEMU emulator version 2.1.2, Copyright (c) 2003-2008 Fabrice Bellard AArch64 single step e

[Qemu-discuss] Why Qemu get the io event , while Qemu system reset? Is it unreasonable?

2015-01-08 Thread EricSong
Hi, All I traced the Qemu code, and I found a debug information but not unreasonable in my opinion. Qemu main process always get the command --- RESET, by qemu_reset_requested() in main_loop_should_exit(), and the thread qemu_tcg_cpu_thread_fn() always running. While RESET is got , mai

Re: [Qemu-discuss] Qemu: AARCH64: Single Step exception does not work

2015-01-08 Thread Peter Maydell
On 8 January 2015 at 05:32, Pratyush Anand wrote: > Have anyone tried to test single step exception with ARM64 on Qemu? > My Qemu version is: > > QEMU emulator version 2.1.2, Copyright (c) 2003-2008 Fabrice Bellard AArch64 single step emulation was only added in QEMU 2.2... -- PMM

Re: [Qemu-discuss] Qemu: AARCH64: Single Step exception does not work

2015-01-08 Thread David Long
On 01/08/15 00:32, Pratyush Anand wrote: Hi All, Have anyone tried to test single step exception with ARM64 on Qemu? I was testing ARM64 uprobe patches[1] with qemu and I noticed that it does not generate single step exception. I also tried kprobe[2], which uses single step exception and it does